Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Incheon Intl Airport to Illinois from $401

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Illinois departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Incheon Intl Airport to Illinois

Cheap round-trip flights

Air Canada Logo
6:00 pm - 9:51 amICN-ORD
29h 51m1 stop
Air Canada Logo
10:40 am - 4:15 pmORD-ICN
39h 35m1 stop
$596Air Canada
Find Deal
Wed, Sep 10 - Wed, Sep 24
Air Canada Logo
6:00 pm - 2:55 pmICN-ORD
34h 55m1 stop
Air Canada Logo
3:35 pm - 4:15 pmORD-ICN
34h 40m1 stop
$597Air Canada
Find Deal
Wed, Oct 8 - Wed, Oct 22
Asiana Airlines Logo
6:20 pm - 11:59 pmICN-STL
19h 39m1 stop
Asiana Airlines Logo
6:33 am - 5:55 pmSTL-ICN
21h 22m1 stop
$690Asiana Airlines
Find Deal
Mon, Sep 15 - Tue, Oct 14
Asiana Airlines Logo
6:20 pm - 11:59 pmICN-STL
19h 39m1 stop
Asiana Airlines Logo
6:33 am - 5:55 pmSTL-ICN
21h 22m1 stop
$692Asiana Airlines
Find Deal
Mon, Sep 15 - Tue, Oct 14
American Airlines Logo
5:25 pm - 11:14 pmICN-STL
43h 49m1 stop
American Airlines Logo
5:18 am - 3:30 pmSTL-ICN
20h 12m1 stop
$741American Airlines
Find Deal
Mon, Sep 1 - Tue, Sep 9
American Airlines Logo
5:25 pm - 11:14 pmICN-STL
19h 49m1 stop
American Airlines Logo
3:59 pm - 4:45 pmSTL-ICN
33h 46m1 stop
$753American Airlines
Find Deal
Tue, Aug 19 - Sun, Nov 16
Delta Logo
6:50 pm - 10:02 pmICN-STL
17h 12m1 stop
Delta Logo
7:35 am - 3:20 pmSTL-ICN
17h 45m1 stop
$790Delta
Find Deal
Mon, Sep 1 - Mon, Sep 8
Delta Logo
6:50 pm - 10:02 pmICN-STL
17h 12m1 stop
Delta Logo
5:11 pm - 4:00 amSTL-ICN
20h 49m1 stop
$800Delta
Find Deal
Mon, Sep 1 - Sun, Sep 7
Korean Air Logo
10:15 am - 12:28 pmICN-MDW
16h 13m1 stop
Korean Air Logo
9:20 am - 5:20 pmMDW-ICN
18h 00m1 stop
$1,290Korean Air
Find Deal
Wed, Sep 10 - Thu, Sep 18
Korean Air Logo
10:15 am - 12:32 pmICN-MDW
16h 17m1 stop
Korean Air Logo
9:20 am - 5:20 pmMDW-ICN
18h 00m1 stop
$1,292Korean Air
Find Deal
Tue, Oct 21 - Thu, Oct 23

Air Canada flights from Incheon Intl Airport to Illinois

Our best Air Canada deals on Incheon Intl Airport to Illinois flight tickets
Air Canada
Sep 10
ICN6:00 pmIncheon Intl
29h 51m
1 stop
ORD9:51 amChicago O'Hare Intl
Sep 24
ORD10:40 amChicago O'Hare Intl
39h 35m
1 stop
ICN4:15 pmIncheon Intl
$596
Find similar
Air Canada
Oct 8
ICN6:00 pmIncheon Intl
34h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Oct 22
ORD3:35 pmChicago O'Hare Intl
34h 40m
1 stop
ICN4:15 pmIncheon Intl
$597
Find similar
Air Canada
Oct 8
ICN6:00 pmIncheon Intl
33h 14m
2 stops
ORD1:14 pmChicago O'Hare Intl
Oct 22
ORD3:35 pmChicago O'Hare Intl
34h 40m
1 stop
ICN4:15 pmIncheon Intl
$605
Find similar

United Airlines flights from Incheon Intl Airport to Illinois

Our best United Airlines deals on Incheon Intl Airport to Illinois flight tickets
United Airlines
Nov 17
ICN12:45 pmIncheon Intl
24h 14m
2 stops
STL9:59 pmLambert-St Louis
Nov 23
STL4:35 pmLambert-St Louis
32h 40m
2 stops
ICN4:15 pmIncheon Intl
$650
Find similar
United Airlines
Sep 15
ICN11:30 amIncheon Intl
24h 38m
2 stops
STL10:08 pmLambert-St Louis
Dec 7
STL4:30 pmLambert-St Louis
32h 45m
2 stops
ICN4:15 pmIncheon Intl
$654
Find similar
United Airlines
Sep 29
ICN4:50 pmIncheon Intl
31h 59m
2 stops
STL10:49 amLambert-St Louis
Dec 27
STL4:30 pmLambert-St Louis
32h 45m
2 stops
ICN4:15 pmIncheon Intl
$737
Find similar

See travel insights to Illinois from

How to get the cheapest flight ticket from Incheon Intl Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Incheon Intl Airport is in March. Flight prices, which tend to average around $990, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of March, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $1,143.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Incheon Intl Airport to Illinois is on a Monday when prices can be found for as low as $1,289. Flights from Incheon Intl Airport to Illinois on a Wednesday will generally be more expensive and average around $1,538. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Incheon Intl Airport to Illinois during this time can be as low as $1,098. Flights in the evening are often more expensive with an average ticket price of $1,995.

What is the cheapest Incheon Intl to Illinois flight route?

Fly from Incheon Intl to Chicago O'Hare Intl for the best Incheon Intl - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Incheon Intl Airport for as low as $1,051 on momondo.

What cabin class options are available on Incheon Intl to Illinois flights?

There are 4 cabin classes available to choose from on Incheon Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Incheon Intl Airport to Illinois flights?

You could potentially save up to 14% on your flight if you consider stops on a Incheon Intl Airport to Illinois flight.

Cheap Incheon Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Illinois

Best Price Found

$401

Fastest flight time

16h 13m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Incheon Intl Airport in the past 72 hours is $401. The best round-trip flight deal from Incheon Intl Airport to Illinois found on momondo in the last 72 hours is $596.
The fastest flight from Incheon Intl Airport to Illinois takes 16h 13m
Direct flights go from Incheon Intl Airport to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
Search flight deals

  • When did momondo last update prices for flights from Incheon Intl Airport to Illinois?

    Prices for flights from Incheon Intl Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Incheon Intl Airport to Illinois?

  • How old do you have to be to fly from Incheon Intl Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Incheon Intl Airport to Illinois?

Best airlines flying from Incheon Intl Airport to Illinois

Compare and see reviews for airlines that fly from Incheon Intl Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $229Free CancellationRating
8.0
7,967 reviews
Search Delta flights
Asiana AirlinesPriceFrom $558Free CancellationRating
8.2
463 reviews
Search Asiana Airlines flights
Air CanadaPriceFrom $730Free CancellationRating
7.1
9,787 reviews
Search Air Canada flights
American AirlinesPriceFrom $778Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $851Free CancellationRating
7.4
8,880 reviews
Search United Airlines flights
Korean AirPriceFrom $857Free CancellationRating
8.4
1,114 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Seoul which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seoul to Illinois?

Once all potential Seoul to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seoul to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/29
Tue 8/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $51
Flights to Los Angelesfrom $43
Flights to Miamifrom $66
Flights to Chicagofrom $44
Flights to Las Vegasfrom $42
Flights to Orlandofrom $58
Flights to San Franciscofrom $53
Flights to Washington, D.C.from $56
Flights to Bostonfrom $69
Flights to Dallasfrom $60
Flights to Atlantafrom $42
Flights to Seattlefrom $87